//button:完成单个单词分析
        private void toolStripButton_next_Click(object sender, EventArgs e)
        {
            gr.rebuilt(); //每次都把堆栈清空
            if (myLex.filePath != "")
            {
                //词法分析
                nResult = myLex.GetAWord(); //词法分析,识别下一个单词
                if (nResult == myLex.OK && myLex.myToken.g_nWordsIndex >= 1)
                {
                    if (myLex.myToken.judgecomment == false)
                    {
                        myLex.getPrintInLexis(myLex.myToken.g_nWordsIndex - 1, myString); //准备打印一个单词
                        PrintInLexisToListView(myString);                                 //词法显示
                        //语法工作
                        for (int i = 0; i < myLex.myToken.g_nWordsIndex; i++)             //把所有的已读好的符号放入栈中
                        {
                            syntaxString    = new string[6];
                            syntaxString[0] = Convert.ToString(myLex.myToken.g_nWordsIndex - (i + 1));             //序号
                            syntaxString[1] = myLex.myToken.g_Words[myLex.myToken.g_nWordsIndex - (i + 1)].szName; //名称
                            syntaxString[2] = myLex.enumToString(myLex.myToken.g_nWordsIndex - (i + 1));           //类型
                            syntaxString[3] = Convert.ToString(myLex.myToken.g_Words[myLex.myToken.g_nWordsIndex - (i + 1)].nNumberValue);
                            syntaxString[4] = Convert.ToString(myLex.myToken.g_Words[myLex.myToken.g_nWordsIndex - (i + 1)].nLineNo);
                            syntaxString[5] = Convert.ToString(myLex.myToken.g_Words[myLex.myToken.g_nWordsIndex - (i + 1)].nColumnNo);
                            gr.Input_Stack_Push(syntaxString);
                        }

                        //怼栈
                        gr.match(gr.input_stack, gr, nResult);
                        //语法显示
                        PrintInSyntaxToSyntax();
                        //错误输出
                        textBox_error.Text = gr.errorshow;
                    }
                    thisStatus.Text = "  成功读入一个token";
                    //更新状态
                }
                else
                {
                    thisStatus.Text = "  读入失败或者文件编译结束";
                }
            }
            else //没有导入文件
            {
                MessageBox.Show("代码框不能为空!", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
                thisStatus.Text = "  请选择待编译文件";
            }
        }